Does Mexico have a military navy?

Yes, Mexico does have a military navy. It is known as the Mexican Navy (Armada de México) and is part of the Mexican Armed Forces. The Mexican Navy is responsible for defending the country's territorial waters and coastline, as well as conducting search and rescue operations, environmental protection, and humanitarian assistance. It operates various vessels, including frigates, corvettes, patrol ships, and amphibious warfare ships. The Mexican Navy also maintains a marine infantry force and a naval air force.